Cita APA

Porter, D. (2007). Frommer's Norway. Hoboken: Wiley Publishing, Inc.

Chicago Style Citation

Porter, Darwin. Frommer's Norway. Hoboken: Wiley Publishing, Inc, 2007.

Cita MLA

Porter, Darwin. Frommer's Norway. Hoboken: Wiley Publishing, Inc, 2007.

Atenció: Aquestes cites poden no estar 100% correctes.